Pyrometer well or the like



June 30, 1936. H. w. FISHER PYROMETER WELL OR THE LIKE 7 Filed Aug. 18,.1952

I m I. N A 0 1 57 4 2 l 4, ZV ih lllll 5 F Patented June 30,. 1936 I I dUNITED STATES PATENT, OFFlCE 2,045,764 rrnomrrsn WELL on 'rms LIKEHarold W. Fisher, Elizabeth, N. J., assignor to Standard-I. G. Company wApplication August 18, 1932, Serial No.-629,269

( Claims. (Cl. 285-46) This invention relates to improvements in thegasket '6 and in so doing tightens the joint bepyrometer wells andsimilar equipment for high tween the parts. If desired the interfacesmay pressure vessels such as equipment for cracking be made at the sameangle or they may be made or hydrogenating oil. A particular object ofthe at slightly different angles so that line contact 5 invention is toprovide an improved form of instead-of surface contact is obtained. Ineither 5 pyrometer well and means for securing it simply case a tightjoint will result from the construction and effectively in theequipment. The arrangedescribed. Aside from the high resistance to thement of partsis such as substantially to prevent displacement bypressure the invention has the the blowing out of the well by excessivepresfurther advantage of permitting the pyrometer sure. A well to beinserted either from the top or the bot- 10 The invention will be fullyunderstood from tom of the wall l. the following description read inconnection with It will be understood that the electrical contheaccompanying drawing, in which 'nectlons and the pyrometer elements areof the Fig. 1 is vertical s'ectionthrough a preferred conventional typeor any suitable, type, the inl5 form of pyrometer well and means forsecuring vention here being in the means for housing them the same inposition; and I and securing the housing in position.

Fig.2 is a transverse section on line 11-11 of Various changes andalternative arrangements Fig. may be made within the scope of theappended In the drawing reference numeral l. indicates claims in whichit is my intention to claim all the wall or the cracking orhydrogenation chamnovelty inherent in the invention as broadly as 20 heror other vessel the internal temperature of the prior art permits. whichis to be determined by a pyrometer, ther- I claim:

' mometer, or the like. The wall i constitutes an 1. A pyrometer wellassembly or the like for outer tubular member. In the form shown a pyuseon high pressure equipment, comprising a rometer well 2 is insertedthrough an opening 3 well member having an integrally formed conical 25in the wall I. The well has a tapered shoulder shoulder on its outersurface adjacent one end,- 4 so arranged as to lie within an enlargement5 adapted to be inserted inan opening in the wall of the opening 3. Thewell 2 constitutes an inof the equipment, a well-encircling member,sener member. 'cured'in said opening, adjustable longitudinally A gasket6 constituting retaining means, sur-" of the well member intospaced'relation with the 30 rounds the shoulder l and is preferably inthe shoulder thereon, deformable annular means disformof a wedge-shapedring having sloping sides posed between said shoulder and thewell-encirpresenting as shown a double cone form in cross cling member,means adjustably mounted on said section. This gasket is made ofrelatively soft well-encircling member, and a stop member on steel orother pressure-resistant material adapted the well operatively'associated with the adjust- 5' to form a tight joint with the inclinedsurfaces 1 ably mounted means whereby when the latter is at the base ofopening 5. I adjusted the pyrometer well is drawn upwardly Ananti-friction washer 8 is of annular form to exert pressure jointlyagainst the walls of the and arranged to encircle the well 2 and restopening in the equipment and the lower end of 40 against the topofgasket 8. The parts referred the well-encircling member. I v 40 to areheld in assembled position by a screw plug 2. Apparatus according toclaim 1, in which 8 engaged with threads in the top of openings. thewell-encircling member is spaced from the The top of this plug isprovided with screw shouldefof the pyrometer well by a gasket havthreadsIII for engagement with the pyrometer ing in cross section a doubleconical form and arwell closure preferably in the form of a nut ll.ranged to rest in pressure contact with said shoul-' 45 After the devicehas been assembled the nut H is derv and with the wall of theopening'through so adjusted as to exert a force upward against nut whichthe pyrometer well extends. l2 which is threaded on the end of pyrometerwell 3. Apparatus according to claim 1, in which 2 forcing the .wellinto intimate contact with gasthewell encircling member is in the formof a ket B. The action of nut H is therefore to dupliplug screwed intothe wall and having its upper 50 cate at time of assembly the forceresulting durend threaded, and the adjustable means is a nut ing usefrom the internal pressure within the vesscrewed on the said threads atthe upper end of sel. the plug. 1

It will be noted that the pressure in the equip- 4-. A coupling,comprising an outer tubularv 56 ment tends to force the pyrometer wellagainst member and an inner member telescopicallyjis posed with respectto each other, a portion of the inner wall of the outer tubular memberconverging inwardly to form an inclined annular shoulder, a portion ofthe exterior surface of the inner member being tapered inwardly to forman annular shoulder inclined in the opposite direction to the shoulderof the outer member whereby an annular space V shaped in cross sectionis formed between the shoulders, an annular wedge shaped gasketsubstantially filling the space be-- tween the shoulders, tubular glandmeans adjustably engaging the outer tubular member and bearing againstthe gasket to compress the gasket against the shoulders, and means forvarying the relative positions of the inner *and' outer posed withrespect to each other, a portion of the inner wall of the outer memberconverging inwardly to form an inclined annular shoulder, the portion ofthe exterior surface of the inner memher being tapered inwardly to forman annular shoulder inclined in the opposite direction to the shoulderof the outer member whereby an annular space V shaped in cross sectionis formed between the shoulders, an annular wedge shaped gasketsubstantially filling the space between the shoulders, tubular glandmeans adjustably engaging the outer tubular member and bearing againstthe gasket to compress the gasket against the shoulders, and meansoperatively associated with the gland means and the inner member forvarying the relative positionsof the inner and outer members beforecompressing the gasket against the shoulders whereby the shoulder of theinner member can be initially positioned in engagement with the gasket.

, HAROLD W. FISHER.

